CN213131531U

CN213131531U - Positioning anesthesia apparatus for obstetrics and gynecology department

Info

Publication number: CN213131531U
Application number: CN202021089610.0U
Authority: CN
Inventors: 邹佳宏
Original assignee: Rongcheng Maternal And Child Care Service Centre
Current assignee: Rongcheng Maternal And Child Care Service Centre
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2021-05-07
Anticipated expiration: 2030-06-13

Abstract

The obstetrical and gynecological positioning anesthetic machine is used for accurately adding anesthetic. The injection device comprises an injection tube and an injection head, wherein a piston is arranged in the injection tube, an injection hole is formed in the injection head, and scale marks are arranged on the injection tube. The utility model can conveniently extend into the cervical and uterine cavities of patients, and the liquid in the vagina can be scraped by the scraping groove, thereby avoiding the liquid from blocking the injection hole. Due to the arrangement of the plug, anesthetic in the injection head can be sprayed out at a certain speed, and the anesthetic can be accurately added to a position to be added. The arrangement of the pushing unit can ensure the uniform addition of the anesthetic.

Description

Positioning anesthesia apparatus for obstetrics and gynecology department

Technical Field

The utility model belongs to the technical field of the anesthesia technique of gynaecology and obstetrics and specifically relates to a gynaecology and obstetrics location anaesthesia apparatus.

Background

When an operation is performed on the uterine neck and uterine cavity in obstetrics and gynecology department, the uterine neck and uterine cavity of a patient need to be anesthetized, but when a medical injector is used for anesthesia in the existing mode, the problems that the anesthesia position is inaccurate and the usage amount of anesthetic is difficult to control exist. In addition, because the liquid in the inner wall of the vagina can be adhered to the outer wall of the syringe and even an injection head when the syringe moves in the vagina, the addition of the anesthetic is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gynaecology and obstetrics's location anaesthesia ware for realize adding the accuracy of anaesthetic.

The utility model provides a technical scheme that its technical problem adopted is: the gynaecology and obstetrics positioning anesthesia apparatus comprises an injection tube and an injection head, wherein a piston is arranged in the injection tube, an injection hole is formed in the injection head, and scale marks are arranged on the injection tube.

Furthermore, the injection syringe further comprises a first support rod, wherein the first support rod comprises a clamping ring fixedly connected with the injection syringe and a handle fixedly connected with the clamping ring.

Furthermore, a connecting pipe is fixed on the injection head, and is provided with external threads and is in threaded connection with the injection pipe.

The injection tube is in threaded connection with the injection tube, the push rod is arranged in the push tube in a sliding mode, the driving mechanism drives the push rod to move at a constant speed, and the first support rod and the second support rod are fixed on the push tube and used for being in contact with the piston to push the piston to move.

Further, the driving mechanism comprises a lead screw rotatably mounted in the push pipe, a lead screw nut in threaded connection with the lead screw, and a motor driving the lead screw to rotate.

Furthermore, a pair of slide rails is arranged on the inner side of the push pipe, and the lead screw nut is slidably arranged between the two slide rails.

Furthermore, a supporting seat is fixed in the push pipe, the first end of the lead screw is fixedly connected with the motor, and the second end of the lead screw is rotatably connected with the supporting seat.

Furthermore, the push rod comprises a plurality of connecting rods fixedly connected with the screw nut, a fixing plate fixedly connected with the connecting rods, and a push block fixed on the fixing plate, and a round hole avoiding the connecting rods is formed in the supporting seat.

Further, the first support rod comprises a circular clamping ring and a handle fixed on the outer wall of the clamping ring.

Furthermore, the second support rod comprises a circular fixing ring and a fixing ring fixed on the outer wall of the fixing ring

The utility model has the advantages that: the utility model provides a gynaecology and obstetrics's location anaesthesia apparatus, can be convenient stretch into patient's cervical uterine cavity, the liquid in the vagina can be scraped to the setting of scraping the groove, and then avoids liquid to block up the injection orifice. Due to the arrangement of the plug, anesthetic in the injection head can be sprayed out at a certain speed, and the anesthetic can be accurately added to a position to be added. The arrangement of the pushing unit can ensure the uniform addition of the anesthetic.

Drawings

Fig. 1 is a front view of a first embodiment of the present invention;

fig. 2 is a top view of a first embodiment of the present invention;

FIG. 3 is a schematic view of the outer shape of the syringe;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a cross-sectional view of the first support bar;

FIG. 6 is a front view of the injection head;

FIG. 7 is a cross-sectional view of FIG. 6;

FIG. 8 is a schematic view of a plug;

FIG. 9 is a schematic view of the plugs being spread apart;

fig. 10 is a schematic view of a second embodiment of the present invention;

FIG. 11 is a schematic view of the syringe assembled with the pushing unit;

FIG. 12 is a schematic view of a push rod;

in the figure: the injection device comprises an injection tube 1, an annular groove 11, a through hole 12, a piston rod 13, a dosing nozzle 14, an end cover 15, a limiting ring 16, a piston 17, a clamping ring 2, a handle 21, an injection head 3, an internal 31 stop block, a connecting tube 32, a scraping groove 33, an injection hole 34, a plug 35, a small 351 hole, a pushing tube 4, a sliding rail 41, a supporting seat 42, a fixing ring 5, a handle 51, a protection plate 52, a wrench 53, a motor 6, a lead screw 61, a lead screw nut 62, a connecting rod 63, a fixing plate 64 and a pushing block 65.

Detailed Description

As shown in fig. 1 to 12, the present invention mainly includes an injection tube 1, a support rod 2, a piston 17, and an injection head 3, and two embodiments of the present invention will be described in detail with reference to the drawings.

The first embodiment is as follows:

as shown in fig. 1 to 4, the injection tube 1 is a circular tube, and an annular groove 11 is formed on an outer wall of a first end of the injection tube, and a through hole 12 is formed on an end surface of a second end of the injection tube. A piston 17 is arranged in the inner cavity of the injection tube, the piston is fixed on a piston rod 13, and a first supporting rod is arranged at the first end of the injector, as shown in fig. 5, the first supporting rod comprises a clamping ring 2 and a handle 21 which are fixedly connected, the clamping ring is of a circular ring structure, the clamping ring is arranged at the position of the annular groove, and the clamping ring is fixedly connected with the injection tube. The handle is arranged along the radial direction of the clamping ring and is fixedly connected with the outer wall of the clamping ring.

The injection head 3 is provided at the second end of the injection tube, as shown in fig. 6 and 7, the outer wall of the injection head comprises a spherical surface and a horizontal surface, and the injection head can be obtained by cutting a round ball. The injection ball is hollow, an inner stop block 31 is arranged inside the injection ball, the inner cavity of the injection ball is divided into annular by the inner stop block, a connecting pipe 32 is fixed on the outer wall of the injection ball, and the connecting pipe is used for adding anesthetic into the injection ball. The outer wall of the injection ball is provided with a scraping groove 33 which is convenient for scraping liquid on the inner wall of the vagina. The outer wall of the injection ball is also provided with a plurality of injection holes 34 which are used for spraying anesthetic into the uterine neck and uterine cavity. As shown in fig. 9, when the piston moves in the injection tube, pressure can be applied to the plug, so that the small hole is enlarged, and the anesthetic is ejected.

The outer wall of the injection tube is provided with scale marks, and the position of the injection ball can be known according to the length of the injection ball extending into the body.

The method of use of example one is described below:

(1) adding anesthetic into the injection tube, and then placing the piston inside the injection tube;

(2) the handle is held, the injection ball is pushed into the vagina of a patient and is continuously pushed until the injection ball is placed in the position of the cervix and the uterine cavity, in the process, the scraping groove can scrape the liquid on the inner wall of the vagina, the liquid is promoted to spread to the periphery from the position of the injection hole, and the liquid is prevented from blocking the small hole on the plug;

(3) the position of the injection ball is observed according to the scale marks, the injection ball stops extending after reaching a proper position, then the piston rod is pushed, the anesthetic in the injection tube is pushed out, and due to the existence of the plug, the anesthetic is sprayed out at a certain pressure, so that the contact of the anesthetic and the inner wall of the uterine cavity of the cervix of a patient is ensured.

As shown in fig. 10 to 12, the second embodiment is mainly provided with a pushing unit relative to the first embodiment, and the anesthetic is pushed out uniformly by the pushing unit. As shown in fig. 11, a dosing nozzle 14 is provided on the outer wall of the syringe, and an end cap 15 is screwed on the dosing nozzle. After the end cap is opened, anesthetic is added into the injection tube through the dosing nozzle. The pushing unit comprises a pushing pipe 4, a second supporting rod and a motor 6, the pushing pipe is a round pipe, and the first end of the injection pipe extends into the pushing pipe and is in threaded connection with the pushing pipe. A limiting ring 16 is arranged on the inner side of the first end of the push tube, and when the injection tube is contacted with the limiting ring, the installation between the injection tube and the push tube is finished. The push pipe is internally provided with a pair of slide rails 41, a screw nut 62 is slidably mounted between the two slide rails, a motor 6 is fixed at the second end of the push pipe, a screw 61 is fixed at the output end of the motor, the screw is in threaded connection with the screw nut, and the motor drives the screw to rotate so as to drive the screw nut to reciprocate leftwards and rightwards. In order to support the screw rod, an annular supporting seat 42 is arranged on the inner side of the first end of the push pipe, the outer wall of the supporting seat is fixedly contacted with the inner wall of the push pipe, and the inner wall of the supporting seat is contacted with the outer wall of the screw rod. The lead screw rotates relative to the supporting seat, a plurality of round holes evenly arranged along the same circumference are formed in the supporting seat, a push rod is fixed on the lead screw nut, as shown in fig. 12, the push rod comprises a plurality of connecting rods 63 fixedly connected with the end face of the lead screw nut, a fixing plate 64 fixedly connected with the connecting rods, and a push block 65 fixedly connected with the fixing plate, and the connecting rods are arranged in the round holes in a penetrating mode. When the screw nut moves, the push rod can be driven to move in the push pipe. The push block is used for contacting with the piston so as to push the piston to move at a constant speed in the injection tube.

The clamping ring of the first support bar is fixedly connected with the first end of the pusher tube, and the second support bar comprises a fixedly connected fixing ring and a handle 51, wherein the fixing ring is fixedly connected with the second end of the pusher tube. When in operation, the handle is held by the right hand and the handle is held by the left hand. The handle is provided with a protective plate 52, a wrench 53 is arranged in the protective plate, and the motor can be driven to act when the wrench is pressed. The essence of the wrench is a button for controlling the motor to act, and the main difference between the second embodiment and the first embodiment is that the pushing unit is added, so that anesthetic in the injection tube can be pushed to flow out at a constant speed under the action of the pushing unit, and then the anesthetic is uniformly sprayed, and further the control is convenient. In addition, the first support rod is fixedly connected with the push tube in the second embodiment, and the first support rod is fixedly connected with the injection tube in the first embodiment. The injection tube is provided with scale marks, so that the length extending into the body can be known through the scale marks, and the position of the injection head can be further known.

The method of use of example two is described below:

(1) opening the end cover, and adding anesthetic into the injection tube through the medicine adding nozzle;

(2) then the injection tube and the pushing tube are installed together;

(3) the injection tube is stretched into the vagina of a patient, and is continuously pushed until the injection head reaches the position to be sprayed with medicine;

(4) the spanner is pressed, the piston is pushed to move at the moment, so that anesthetic in the injection tube is pushed to the injection head, and the anesthetic penetrates out of the small hole under the action of pressure and then is sprayed into a patient body.

Claims

1. The gynaecology and obstetrics positioning anesthesia apparatus comprises an injection tube and an injection head, wherein a piston is arranged in the injection tube, an injection hole is formed in the injection head, and scale marks are arranged on the injection tube.

2. The gynecologic positioning anaesthetic device of claim 1 further comprising a first support bar, the first support bar comprising a gripping ring fixedly connected to the syringe and a handle fixedly connected to the gripping ring.

3. The anesthesia apparatus of claim 2, wherein a connection tube is fixed to the injection head, and the connection tube has an external thread and is threadedly connected to the injection tube.

4. The positioning anesthesia apparatus for obstetrics and gynecology department of claim 1, further comprising a pushing unit, wherein the pushing unit comprises a pushing tube in threaded connection with the syringe, a pushing rod slidably disposed in the pushing tube, a driving mechanism for driving the pushing rod to move at a constant speed, a first supporting rod and a second supporting rod fixed on the pushing tube, and the pushing rod is used for contacting with the piston to push the piston to move.

5. The anesthesia apparatus of claim 4, wherein the driving mechanism comprises a lead screw rotatably mounted in the push tube, a lead screw nut threadedly coupled to the lead screw, and a motor for driving the lead screw to rotate.

6. The anesthesia apparatus of claim 4, wherein a pair of rails is provided inside the push tube, and the lead screw nut is slidably mounted between the rails.

7. The anesthesia apparatus of claim 6, wherein a support base is fixed in the push tube, a first end of the lead screw is fixedly connected to the motor, and a second end of the lead screw is rotatably connected to the support base.

8. The positioning anesthesia apparatus for obstetrics and gynecology department of claim 4, wherein the push rod comprises a plurality of connecting rods fixedly connected with the lead screw nut, a fixing plate fixedly connected with the connecting rods, and a push block fixed on the fixing plate, and the supporting seat is provided with a circular hole avoiding the connecting rods.

9. The anesthesia apparatus of claim 4, wherein the first support bar comprises a circular ring-shaped clamp ring and a handle fixed to an outer wall of the clamp ring.

10. The gynecologic positioning anaesthetic device of claim 9 wherein the second support bar comprises a ring-shaped fixing ring, a handle fixed on the outer wall of the fixing ring.